AND FZ-i [FZ-300i]  Standard-Level Precision Balances with Internal Calibration, 320g x 0.001g - 130mm . The A&D Weighing FZ-300i Precision Balance, 320g x 0.001g is robust and durable. The FZ300i features Compact Super Hybrid Sensor(C-SHS) that makes the scale compact, fast, and precise. The FZ300i includes a wide range of modes to meet workflow needs.